msm: mdss: Ensure HW init program after resume

Currently, MDP and VBIF settings are not getting programmed
after resuming from suspend due to which it gets reset to
default settings. Fix this to ensure these settings are
programmed after resume.

Change-Id: Ice00d2eaac7adde9583c9a89e8b794e3e889361d
Signed-off-by: Jayant Shekhar <jshekhar@codeaurora.org>